10.55 Carat Royal Blue Sapphire Set In 18K Gold Ring

18K white gold ring mounted with diamonds. The center stone is a 10.55 carat Sir Lankan royal blue sapphire.

10.55克拉皇家蓝蓝宝石戒指

18K白金戒指，镶钻石及10.55克拉主石，斯里兰卡产皇家蓝（Royal Blue）蓝宝石。